CN2808420Y - Permanent magnetic suction disk with double magnetic loops - Google Patents
Permanent magnetic suction disk with double magnetic loops Download PDFInfo
- Publication number
- CN2808420Y CN2808420Y CN 200520014021 CN200520014021U CN2808420Y CN 2808420 Y CN2808420 Y CN 2808420Y CN 200520014021 CN200520014021 CN 200520014021 CN 200520014021 U CN200520014021 U CN 200520014021U CN 2808420 Y CN2808420 Y CN 2808420Y
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- magnet
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- driving mechanism
- utility
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Abstract
The utility model relates to a permanent magnetic sucking disk with double magnetic loops, which is applied to the field of mechanical processing to be used for clamping workpieces or used for hoisting in hoisting operation. The utility model comprises a casing, a faceplate, a pole core plate and a driving mechanism, wherein the faceplate is formed by the alternate arrangement of magnetic conductors forming a pitch, and side magnetic bodies positioned on at least one side face of the magnetic conductors, at least three magnetic poles are formed on the working face, and the side magnetic bodies on the opposite sides are provided with opposite polarities; the pole core plate comprises a plurality of bottom magnetic bodies which are respectively positioned below each magnetic conductor and are oppositely provided with adjacent polarities, at least one of the side magnetic bodies and the bottom magnetic bodies corresponding to the magnetic conductors is towed by the driving mechanism to be changed into a magnetic body with variable magnetic polarities, and magnetic flux generated by the variable magnetic bodies is not less than the magnetic flux generated by fixed magnetic bodies. When the utility model works, a double-magnetic loop system is formed on the working face, therefore the utility model enhances adsorption force; when the permanent magnetic sucking disk with double magnetic loops is turned off, magnetic line loops are formed among the variable magnetic bodies and the fixed magnetic bodies so that the utility model effectively avoids magnetic leaking phenomena being generated, therefore the utility model has the advantages of strong suction force and low cost, and is worth being generalized and applied in relevant fields.
Description
Technical field
The utility model relates to a kind of permanent-magnet type magnetic means, especially refers to a kind of holding workpiece or be used as the permanent magnetic chuck that promotes usefulness in lifting operation of being applied to be used in the field of machining.
Background technology
Permanent magnetic chuck is to adopt the permanent magnetism magnetic source, by to the logical magnetic of magnetic source with every magnetic control system, make and alternately occur magnetic field on its working face or close magnetic field, according to this principle, usually be made into sucker that is used on the Metal Cutting Machine Tool or the magnet arrangement that promotes usefulness, utilize the sticking of its working face magnetic or close, realize the sticking to workpiece, fastening, the handling operation of locating or be used for finishing material.Because it in use need not electricity, can not produce temperature rise yet, and use saferly, reliable, thereby be widely used in machining and the lifting operation.
And in the existing permanent magnetic chuck, generally include housing, panel, pole piece plate and driving mechanism, the pole piece plate is positioned at the housing under the panel, it is arranged in various structures by magnetic inductive block and pole piece piece again, more common form is: the pole piece plate is arranged by magnetic inductive block and pole piece block gap and is tightened to one, and panel is formed by the magnetic inductive block that is provided with at interval with every magnetic patch.During use, driving mechanism drives the pole piece plate, makes the pole piece plate move half pitch with respect to panel, makes the space of panel top realize alternately producing of magnetic field.Another kind of form be the pole piece plate by magnetic inductive block, be fixed on one to the fixed pole pellet of side and be positioned at its another movable pole piece piece of side is formed panel employing permeability magnetic material.During use, driving mechanism makes the in running order or closed condition of sucker by drive activity pole piece piece.After adopting said structure, though can finish its every function, because the pole piece piece only is distributed under the panel magnetic inductive block or the magnetic inductive block side of pole piece plate, therefore when work, on working face, only form single magnetic loop system, thereby make that its suction is little and limited use occasion.In addition, when above-mentioned permanent magnetic chuck is in closed condition, be to utilize the magnetic conductor of panel to come its magnetic of short circuit, promptly make no magnetic field generation in the space of panel top by shielding action, but find in actual use, owing to be subjected to the influence of plate thickness, on panel unavoidably the leakage field phenomenon can appear, also therefore stayed potential safety hazard.
Summary of the invention
Technical problem to be solved in the utility model is the situation at prior art, provide a kind of suction greatly, the permanent magnetic chuck that takes place of magnetic leakage free phenomenon again with double magnetic loop.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: this permanent magnetic chuck comprises housing, panel, is positioned at the pole piece plate and the driving mechanism of panel below housing, it is characterized in that: described panel is by the magnetic conductor that constitutes a pitch and be positioned at side magnet on its at least one side and be spaced and form, make to form three magnetic poles on the working face at least, and the side magnet polarity of opposite side is provided with on the contrary; And described pole piece plate includes and lays respectively under each magnetic conductor and magnet of a plurality of ends that adjacent polarity also is provided with on the contrary, at least one becomes variable magnet by the driving mechanism traction in the side magnet of corresponding each magnetic conductor and the end magnet, and the magnetic flux that variable magnet produces is not less than the magnetic flux that fixed magnets produces.
Described variable magnet can be end magnet, the number that is magnet of the described end is Duoed one than corresponding magnetic conductor, and each end magnet can be respectively with the fixed interval of a pitch on base plate, and this base plate and described driving mechanism link and become the variable magnet that can move horizontally a pitch.Also each end magnet can be laid respectively at the corresponding magnetic conduction that is driven by described driving mechanism turns interior and becomes the variable magnet that rotates between the 90 °＜anglec of rotation≤180 °.
Described variable magnet can be end magnet, and between panel and pole piece plate, also be provided with the dynode central layer that moves with the pole piece plate, this dynode central layer also is spaced by middle magnetic conductor that is a pitch and medial side magnet and forms, and the polarity of the medial side magnet of opposite side also is provided with on the contrary, adopt such structure, can be made into close polar form sucker.
Described variable magnet also can be each side magnet, and promptly each side magnet lays respectively in the magnetic conduction rotating disk that is driven by described driving mechanism and becomes the variable magnet that rotates between the 90 °＜anglec of rotation≤180 °.Perhaps become variable magnet by separately side magnet, promptly Jian Ge side magnet is positioned at the magnetic conduction that is driven by described driving mechanism changes a rotating body and becomes the variable magnet that rotates between the 90 °＜anglec of rotation≤180 °.
Can be provided with the side magnet on the opposite flank of described magnetic conductor or four sides, and, be arranged in matrix type structure to vertical and horizontal as minimum unit.
Can be provided with the suspension ring relative on the described surface of shell, so that in lifting operation, as the usefulness of lifting with panel.
In above-mentioned each scheme, can be filled with non-magnetizer respectively in the space between each magnetic conductor, between each end magnet, so that they keep certain spacing.
Gap between described variable magnet and the corresponding magnetic conductor is not more than 2mm.
Compared with prior art, advantage of the present utility model is: owing to be provided with magnet in the side and the bottom surface of magnetic conductor, thereby in working order down, can on working face, form double magnetic circuit system, promptly under identical work area, make its absorption affinity be far longer than the suction of existing permanent magnetic chuck, thereby when reducing cost, can also satisfy the instructions for use under the different occasions.And in off position down, then between variable magnet and fixed magnets, form flux loop, thereby avoided the generation of leakage field phenomenon on the working face effectively, thereby the utility model suction is strong, cost is relatively low, be worth applying in corresponding field.
Description of drawings
Fig. 1 is the structural representation of the utility model first embodiment under in working order;
Fig. 2 is the structural representation of the utility model first embodiment under in off position;
Fig. 3 is the structural representation of the utility model second embodiment under in working order;
Fig. 4 is the structural representation of the utility model second embodiment under in off position;
Fig. 5 is the structural representation of the utility model the 3rd embodiment under in working order;
Fig. 6 is the structural representation of the utility model the 3rd embodiment under in off position;
Fig. 7 is the structural representation of the utility model the 4th embodiment under in working order;
Fig. 8 is the structural representation of the utility model the 4th embodiment under in off position;
Fig. 9 is the structural representation of the utility model the 5th embodiment under in working order;
Figure 10 is the structural representation of the utility model the 5th embodiment under in off position;
Figure 11 is the plan structure schematic diagram of the utility model the 6th embodiment;
Figure 12 is the plan structure schematic diagram of the utility model the 7th embodiment.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Embodiment 1: when this permanent magnetic chuck is used on the lathe when realizing the sticking to workpiece, fastening, location, its working face is the upper surface of this sucker, promptly as shown in Figure 1, it comprises housing 1, panel, is positioned at the pole piece plate and the driving mechanism of panel below, wherein driving mechanism adopts routine techniques, does not show at this.And panel is by the magnetic conductor 2 that constitutes a pitch be positioned at side magnet 3 on its side and be spaced and form, and make on the working face of sucker and form four magnetic poles, and adjacent side magnet polarity is provided with on the contrary; Described pole piece plate includes again and lays respectively under each magnetic conductor and adjacent polarity also is provided with on the contrary at the bottom of five magnet 4, gap between each end magnet and the corresponding magnetic conductor is 1.5mm, and each end magnet respectively with the fixed interval of a pitch on base plate 5, and this base plate 5 is under the drive of above-mentioned driving mechanism, can move horizontally a pitch and become variable magnet along housing 1 inner bottom surface, and for each magnetic pole, the magnetic flux that variable magnet produces equals the magnetic flux that fixed magnets produces.
During use, when the relative position of pole piece plate and panel was in as shown in Figure 1 state, for each magnetic conductor, the side magnet 3 adjacent with magnetic conductor 2 and the polarity of end magnet 4 were consistent, at this moment, the magnetic line of force of side magnet 3 and end magnet 4 behind the space outside common magnetic conductor 2, the panel, is got back to the S utmost point from adjacent magnetic conductor from the N utmost point again, at this moment promptly, there is magnetic field in the upper surface space of sucker, because the effect of magnetic, sticking, fastening, location workpiece firmly.
And in case need to discharge work package, then as long as by drive unit pulling base plate 5, make each end magnet 4 translations one pitch on it, at this moment, for each magnetic conductor 2, the magnetic flux that side magnet 3 is produced is just in time all by end magnet 4, promptly form flux loop between end magnet 4 and side magnet 3, no magnetic field produces in the space above panel, and Xi Fu work can come off automatically like this, and make sucker be in surperficial nonmagnetic state, as shown in Figure 2.
Embodiment 2: as shown in Figure 3 and Figure 4, itself and the above-mentioned first embodiment difference are: also be provided with the dynode central layer that moves with the pole piece plate between described panel and the pole piece plate, this dynode central layer also is spaced by middle magnetic conductor 6 that constitutes a pitch and medial side magnet 7 and forms, and the polarity of adjacent medial side magnet 7 also is provided with on the contrary, and the gap between dynode central layer and the panel remains on 1.2mm, its operation principle is same as the previously described embodiments, here no longer describes in detail.After adopting this enforcement, can make each magnetic conductor longitudinal thickness littler, can when satisfying suction, can be made into close polar form sucker.
Embodiment 3: as shown in Figure 5 and Figure 6, itself and the above-mentioned first embodiment difference are: the end magnet 4 that is provided with under each magnetic conductor is sandwiched in corresponding magnetic conduction respectively and turns in the middle of 8, and each magnetic conduction turn 8 and corresponding magnetic conductor 2 between the gap be 1.0mm.
In working order down, as shown in Figure 5, for each magnetic pole, the magnetic line of force that end magnet 4 and side magnet 3 are produced all enters or deviates from magnetic conductor 2, and its operation principle is identical with first embodiment, thereby makes generation magnetic field in the space of working face top.Turn 8 under the drive of driving mechanism and work as each magnetic conduction, when (being that the anglec of rotation is 180 °) becomes variable magnet after rotating 180 °, as shown in Figure 6, this moment is each magnetic conductor 2 relatively, the magnetic flux that side magnet 3 produces equals the magnetic flux that end magnet 4 produces, the magnetic flux that is 3 generations of side magnet is just in time all by end magnet 4, and no magnetic field produces on working face.Certainly in the present embodiment, this magnetic conduction turns 8 under the drive of driving mechanism, its anglec of rotation also is chosen as 95 ° or 150 ° of equal angles, equal the magnetic flux that fixed magnets produces as long as satisfy the magnetic flux of variable magnet generation, its operation principle is identical with above-mentioned first embodiment, here is not repeated.
Embodiment 4: as shown in Figure 7 and Figure 8, itself and the above-mentioned first embodiment difference are: each side magnet 3 lays respectively in separately the magnetic conduction rotating disk 9, and the gap of each magnetic conduction rotating disk 9 and corresponding magnetic conductor 2 is 2mm, and each magnetic conduction rotating disk 9 drives at driving mechanism again becomes variable magnet, and end magnet 4 then is positioned under the corresponding magnetic conductor 2.
During use, under the state that is in as shown in Figure 7, its operation principle is identical with above-mentioned first embodiment, here no longer describes in detail.And sucker is need be in off working state the time, as long as under the effect of driving mechanism, when magnetic conduction rotating disk 9 is rotated 91 ° or 140 ° or 180 °, the anglec of rotation that is magnetic conduction rotating disk 9 is in: in the time of 90 °＜anglec of rotation≤180 °, the interior no magnetic field of upper surface working space of sucker is taken place, as shown in Figure 8, its operation principle is also identical with above-mentioned first embodiment, no longer narrates at this.
Embodiment 5: as Fig. 9 and shown in Figure 10, itself and the above-mentioned first embodiment difference are: side magnet at interval becomes variable magnet, promptly Jian Ge side magnet lays respectively in separately the magnetic conduction rotary body 10, and the gap of each magnetic conduction rotary body 10 and corresponding magnetic conductor 2 is 1.3mm, and each magnetic conduction rotary body 10 can rotate under the drive of driving mechanism, and end magnet 4 then is fixed under the corresponding magnetic conductor 2.Its operation principle is same as the previously described embodiments, here no longer narration.
This practical protection domain is not limited to above-mentioned enforcement, and when the foregoing description Rotate 180 °, promptly its working face becomes the lower surface of permanent magnetic chuck, at this moment, as long as at the housing upper surface one suspension ring are set, then can become the magnet arrangement that promotes usefulness; Perhaps fill non-magnetizer in the space between above-mentioned each magnetic conductor, between each end magnet, its non-magnet material by stainless steel or epoxy resin or copper etc. and so on is made, to keep the interval of a pitch.Perhaps be provided with the side magnet, and, be arranged in matrix type structure, as shown in figure 11 to vertical and horizontal as minimum unit in the relative two sides of magnetic conductor.Perhaps on entire working surface; the shape of magnetic pole is rectangular bar shaped or square bar shaped; on its four side, be provided with the side magnet; and as minimum unit; be arranged in order into matrix type structure in mode laterally or longitudinally; as shown in figure 12, and such embodiment also all within protection domain of the present utility model.
Claims (10)
1, a kind of permanent magnetic chuck with double magnetic loop, it comprises housing, panel, is positioned at the pole piece plate and the driving mechanism of panel below housing, it is characterized in that: described panel is by the magnetic conductor that constitutes a pitch and be positioned at side magnet on its at least one side and be spaced and form, make to form three magnetic poles on the working face at least, and the side magnet polarity of opposite side is provided with on the contrary; And described pole piece plate includes and lays respectively under each magnetic conductor and magnet of a plurality of ends that adjacent polarity also is provided with on the contrary, at least one becomes variable magnet by the driving mechanism traction in the side magnet of corresponding each magnetic conductor and the end magnet, and the magnetic flux that variable magnet produces is not less than the magnetic flux that fixed magnets produces.
2, the permanent magnetic chuck with double magnetic loop according to claim 1, it is characterized in that: the number of magnet of the described end is Duoed one than corresponding magnetic conductor, and each end magnet respectively with the fixed interval of a pitch on base plate, and this base plate and described driving mechanism link and become the variable magnet that can move horizontally a pitch.
3, the permanent magnetic chuck with double magnetic loop according to claim 2, it is characterized in that: also be provided with the dynode central layer that moves with the pole piece plate between described panel and the pole piece plate, this dynode central layer also is spaced by middle magnetic conductor that is a pitch and medial side magnet and forms, and the polarity of the medial side magnet of opposite side also is provided with on the contrary.
4, the permanent magnetic chuck with double magnetic loop according to claim 1 is characterized in that: described each end magnet lays respectively at the corresponding magnetic conduction that is driven by described driving mechanism and turns interior and become the variable magnet that rotates between the 90 °＜anglec of rotation≤180 °.
5, the permanent magnetic chuck with double magnetic loop according to claim 1 is characterized in that: described each side magnet lays respectively in the magnetic conduction rotating disk that is driven by described driving mechanism and becomes the variable magnet that rotates between the 90 °＜anglec of rotation≤180 °.
6, the permanent magnetic chuck with double magnetic loop according to claim 1 is characterized in that: the side magnet at described interval is positioned at the magnetic conduction that is driven by described driving mechanism to be changeed a rotating body and becomes the variable magnet that rotates between the 90 °＜anglec of rotation≤180 °.
7, the permanent magnetic chuck with double magnetic loop according to claim 1 is characterized in that: the opposite flank of described magnetic conductor or four sides are provided with the side magnet, and as minimum unit, are arranged in matrix type structure to vertical and horizontal.
8, according to the described permanent magnetic chuck with double magnetic loop of the arbitrary claim of claim 1 to 7, it is characterized in that: described surface of shell is provided with the suspension ring relative with panel.
9, according to the described permanent magnetic chuck of the arbitrary claim of claim 1 to 7, it is characterized in that: be filled with non-magnetizer respectively in the space between described each magnetic conductor, between each end magnet with double magnetic loop.
10, according to the described permanent magnetic chuck with double magnetic loop of the arbitrary claim of claim 1 to 7, it is characterized in that: the gap between described variable magnet and the corresponding magnetic conductor is not more than 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520014021 CN2808420Y (en) | 2005-08-09 | 2005-08-09 | Permanent magnetic suction disk with double magnetic loops |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520014021 CN2808420Y (en) | 2005-08-09 | 2005-08-09 | Permanent magnetic suction disk with double magnetic loops |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2808420Y true CN2808420Y (en) | 2006-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520014021 Expired - Fee Related CN2808420Y (en) | 2005-08-09 | 2005-08-09 | Permanent magnetic suction disk with double magnetic loops |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2808420Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935877A (en) * | 2014-04-30 | 2014-07-23 | 杨国锋 | Jacking permanent magnet for sucking and lifting bundled steel rods |
| CN105345565A (en) * | 2015-12-16 | 2016-02-24 | 唐甬江 | Planar permanent-magnetic working table |
| CN107434207A (en) * | 2017-08-22 | 2017-12-05 | 湖南科美达电气股份有限公司 | A kind of electric-controlled permanent magnetic chuck of automatic discharging |
| CN109159048A (en) * | 2018-09-13 | 2019-01-08 | 宁波联城住工科技有限公司 | Magnetic fastening device |
| CN109930107A (en) * | 2017-12-19 | 2019-06-25 | 上海和辉光电有限公司 | One kind, which is thrown the net, fixed structure and throws the net fixing means |
-
2005
- 2005-08-09 CN CN 200520014021 patent/CN2808420Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935877A (en) * | 2014-04-30 | 2014-07-23 | 杨国锋 | Jacking permanent magnet for sucking and lifting bundled steel rods |
| CN105345565A (en) * | 2015-12-16 | 2016-02-24 | 唐甬江 | Planar permanent-magnetic working table |
| CN107434207A (en) * | 2017-08-22 | 2017-12-05 | 湖南科美达电气股份有限公司 | A kind of electric-controlled permanent magnetic chuck of automatic discharging |
| CN109930107A (en) * | 2017-12-19 | 2019-06-25 | 上海和辉光电有限公司 | One kind, which is thrown the net, fixed structure and throws the net fixing means |
| CN109159048A (en) * | 2018-09-13 | 2019-01-08 | 宁波联城住工科技有限公司 | Magnetic fastening device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Patentee address after: 315176, Zhejiang, Ningbo, Yinzhou District Tongda Road 601 lane, West Lake garden 17, Room 903, room 48 Patentee address before: 315012 Zhejiang province Ningbo Lianfeng Road 6 Lane 1, including Street Room 201 |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060823 Termination date: 20130809 |